21081272

素因数分解:

$2^3\times {\mathrm{577}}^1\times {\mathrm{4567}}^1$

素因数の和:5150

約数の個数: 16

約数和(自身を含む): 39604560

約数和(自身を除く): 18523288

約数列:

[1, 2, 4, 8, 577, 1154, 2308, 4567, 4616, 9134, 18268, 36536, 2635159, 5270318, 10540636, 21081272]

約数ペア:

[(1, 21081272), (2, 10540636), (4, 5270318), (8, 2635159), (577, 36536), (1154, 18268), (2308, 9134), (4567, 4616)]